159 lines
6.8 KiB
JSON
159 lines
6.8 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-8159",
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"assignerOrgId": "ce714d77-add3-4f53-aff5-83d477b104bb",
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"state": "PUBLISHED",
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"assignerShortName": "openjs",
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"dateReserved": "2026-05-08T09:45:28.532Z",
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"datePublished": "2026-05-12T08:35:39.564Z",
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"dateUpdated": "2026-05-12T12:33:59.418Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "ce714d77-add3-4f53-aff5-83d477b104bb",
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"shortName": "openjs",
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"dateUpdated": "2026-05-12T08:35:39.564Z"
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},
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"title": "multiparty vulnerable to ReDoS via filename parsing",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-1333",
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"description": "CWE-1333: Inefficient Regular Expression Complexity",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "multiparty",
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"product": "multiparty",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThanOrEqual": "4.2.3",
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"versionType": "semver"
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},
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{
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"status": "unaffected",
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"version": "4.3.0",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/multiparty"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "multiparty@4.2.3 and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A crafted multipart upload with a long header value can cause regex matching to take seconds, blocking the event loop. Impact: any service accepting multipart uploads via multiparty is affected. Workarounds: limiting upload sizes at the proxy or gateway layer reduces but does not eliminate the attack surface, since a small header of around 8 KB is sufficient to trigger the vulnerable backtracking. Upgrade to multiparty@4.3.0 or higher.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "multiparty@4.2.3 and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A crafted multipart upload with a long header value can cause regex matching to take seconds, blocking the event loop. Impact: any service accepting multipart uploads via multiparty is affected. Workarounds: limiting upload sizes at the proxy or gateway layer reduces but does not eliminate the attack surface, since a small header of around 8 KB is sufficient to trigger the vulnerable backtracking. Upgrade to multiparty@4.3.0 or higher."
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}
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]
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}
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],
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"references": [
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{
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"url": "https://github.com/pillarjs/multiparty/security/advisories/GHSA-65x3-rw7q-gx94"
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},
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{
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"url": "https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS"
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},
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{
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"url": "https://cna.openjsf.org/security-advisories.html"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 7.5,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "aszx87410",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Blake Embrey",
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"type": "remediation developer"
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},
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{
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"lang": "en",
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"value": "Ulises Gascón",
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"type": "remediation reviewer"
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}
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],
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"x_generator": {
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"engine": "cve-kit 1.0.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-05-12T12:33:48.310208Z",
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"id": "CVE-2026-8159",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-05-12T12:33:59.418Z"
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}
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}
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]
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}
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} |